401080329

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20047}}^1$

素因数の和:20091

約数の個数: 40

約数和(自身を含む): 679226240

約数和(自身を除く): 278145911

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 247, 351, 513, 741, 1053, 1539, 2223, 6669, 20007, 20047, 60141, 180423, 260611, 380893, 541269, 781833, 1142679, 1623807, 2345499, 3428037, 4951609, 7036497, 10284111, 14854827, 21109491, 30852333, 44564481, 133693443, 401080329]

約数ペア:

[(1, 401080329), (3, 133693443), (9, 44564481), (13, 30852333), (19, 21109491), (27, 14854827), (39, 10284111), (57, 7036497), (81, 4951609), (117, 3428037), (171, 2345499), (247, 1623807), (351, 1142679), (513, 781833), (741, 541269), (1053, 380893), (1539, 260611), (2223, 180423), (6669, 60141), (20007, 20047)]